Year	% of total external debt
1970	1.3768
1971	2.0097
1972	2.307
1973	0
1974	0
1975	0
1976	0
1977	23.0619
1978	6.2769
1979	6.2585
1980	11.4559
1981	31.591
1982	31.0517
1983	21.8652
1984	15.7031
1985	12.6689
1986	10.9626
1987	8.968
1988	11.0058
1989	14.3745
1990	17.8014
1991	15.9413
1992	16.9265
1993	13.9127
1994	10.881
1995	13.4884
1996	15.7786
1997	19.6831
1998	16.4092
1999	16.9185
2000	14.5166
2001	15.3539
2002	14.4289
2003	18.4711
2004	21.086
2005	24.5631
2006	27.7914
2007	31.194
2008	31.7748
2009	26.7365
2010	27.0498
2011	28.0275
2012	27.422
2013	32.6366
2014	31.5703
2015	31.85
2016	27.3944
2017	29.7546
2018	26.7498
2019	28.6643
2020	30.1392
2021	27.1762
2022	28.8832